Examples

These examples are built and tested with Roc nightly-2026-09-18-1d982dc.

Their source comes from roc-lang/examples at c176d73.

• Hello, World!
• FizzBuzz
• All Syntax in 1 File
• Tuples
• Pattern Matching on Lists
• Error Handling Basic (Try)
• Error Handling Real World (Try)
• Basic Dict Usage
• Import Files
• Import from Directory
• Import Package from Module
• Multiple Roc Files
• JSON
• Terminal Commands
• Random Numbers
• CLI Args Simple
• CLI Args File
• ? Operator Desugaring
• Safe Math
• Graph Traversal
• Parser
• Looping Effectful Functions
• Snake Game
• Record Builder
• Encoding & Decoding
• Custom Inspect
• Least Squares
• Towers of Hanoi